1271164 has 24 divisors (see below), whose sum is σ = 2384928. Its totient is φ = 591360.

The previous prime is 1271161. The next prime is 1271167. The reversal of 1271164 is 4611721.

It is an interprime number because it is at equal distance from previous prime (1271161) and next prime (1271167).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3604 + ... + 3940.

It is an arithmetic number, because the mean of its divisors is an integer number (99372).

2^1271164 is an apocalyptic number.

It is an amenable number.

1271164 is a deficient number, since it is larger than the sum of its proper divisors (1113764).

1271164 is a wasteful number, since it uses less digits than its factorization.

1271164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 403 counting only the distinct ones).

The product of its digits is 336, while the sum is 22.

The square root of 1271164 is about 1127.4590901669. The cubic root of 1271164 is about 108.3262880362.

Adding to 1271164 its reverse (4611721), we get a palindrome (5882885).

The spelling of 1271164 in words is "one million, two hundred seventy-one thousand, one hundred sixty-four".